private void Mesh_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "Parent")
{
//clean the root
RootLevel.Where(x => x.Parent != null).ToList().All(x => RootLevel.Remove(x));
// add the mesh to the root if necessary
if (((MeshViewModel)sender).Parent == null && !RootLevel.Contains(((MeshViewModel)sender)))
{
RootLevel.Add((MeshViewModel)sender);
}
}
}
public void RemoveMesh(MeshViewModel mesh)
{
foreach (MeshViewModel vm in mesh.Children)
{
vm.Parent = mesh.Parent;
}
if (mesh.Parent == null)
{
RootLevel.Remove(mesh);
}
else
{
mesh.Parent.Children.Remove(mesh);
}
}